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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../../../index.html">directory</a> - <a href="index.html">test/utils/basic_cstring</a> - bcs_char_traits.hpp</td>
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          <td class="headerValue" width="80%" colspan=4>ged.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2009-06-09</td>
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          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">18</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">100.0 %</td>
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          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">18</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : //  (C) Copyright Gennadiy Rozental 2004-2008.
<span class="lineNum">       2 </span>                : //  Distributed under the Boost Software License, Version 1.0.
<span class="lineNum">       3 </span>                : //  (See accompanying file LICENSE_1_0.txt or copy at 
<span class="lineNum">       4 </span>                : //  http://www.boost.org/LICENSE_1_0.txt)
<span class="lineNum">       5 </span>                : 
<span class="lineNum">       6 </span>                : //  See http://www.boost.org/libs/test for the library home page.
<span class="lineNum">       7 </span>                : //
<span class="lineNum">       8 </span>                : //  File        : $RCSfile$
<span class="lineNum">       9 </span>                : //
<span class="lineNum">      10 </span>                : //  Version     : $Revision: 49312 $
<span class="lineNum">      11 </span>                : //
<span class="lineNum">      12 </span>                : //  Description : generic char traits class; wraps std::char_traits
<span class="lineNum">      13 </span>                : // ***************************************************************************
<span class="lineNum">      14 </span>                : 
<span class="lineNum">      15 </span>                : #ifndef BOOST_TEST_BCS_CHAR_TRAITS_HPP_071894GER
<span class="lineNum">      16 </span>                : #define BOOST_TEST_BCS_CHAR_TRAITS_HPP_071894GER
<span class="lineNum">      17 </span>                : 
<span class="lineNum">      18 </span>                : // Boost
<span class="lineNum">      19 </span>                : #include &lt;boost/config.hpp&gt;
<span class="lineNum">      20 </span>                : #include &lt;boost/detail/workaround.hpp&gt;
<span class="lineNum">      21 </span>                : #include &lt;boost/test/detail/config.hpp&gt;
<span class="lineNum">      22 </span>                : #include &lt;boost/type_traits/add_const.hpp&gt;
<span class="lineNum">      23 </span>                : 
<span class="lineNum">      24 </span>                : // STL
<span class="lineNum">      25 </span>                : #include &lt;string&gt;                       // std::char_traits
<span class="lineNum">      26 </span>                : #include &lt;cstddef&gt;                      // std::size_t
<span class="lineNum">      27 </span>                : 
<span class="lineNum">      28 </span>                : #include &lt;boost/test/detail/suppress_warnings.hpp&gt;
<span class="lineNum">      29 </span>                : 
<span class="lineNum">      30 </span>                : //____________________________________________________________________________//
<span class="lineNum">      31 </span>                : 
<span class="lineNum">      32 </span>                : namespace boost {
<span class="lineNum">      33 </span>                : 
<span class="lineNum">      34 </span>                : namespace unit_test {
<span class="lineNum">      35 </span>                : 
<span class="lineNum">      36 </span>                : namespace ut_detail {
<span class="lineNum">      37 </span>                : 
<span class="lineNum">      38 </span>                : template&lt;typename CharT&gt; struct bcs_base_char           { typedef CharT type; };
<span class="lineNum">      39 </span>                : 
<span class="lineNum">      40 </span>                : template&lt;&gt; struct bcs_base_char&lt;char const&gt;             { typedef char type; };
<span class="lineNum">      41 </span>                : template&lt;&gt; struct bcs_base_char&lt;unsigned char&gt;          { typedef char type; };
<span class="lineNum">      42 </span>                : #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
<span class="lineNum">      43 </span>                : template&lt;&gt; struct bcs_base_char&lt;unsigned char const&gt;    { typedef char type; };
<span class="lineNum">      44 </span>                : #endif
<span class="lineNum">      45 </span>                : 
<span class="lineNum">      46 </span>                : template&lt;&gt; struct bcs_base_char&lt;wchar_t const&gt;          { typedef wchar_t type; };
<span class="lineNum">      47 </span>                : 
<span class="lineNum">      48 </span>                : // ************************************************************************** //
<span class="lineNum">      49 </span>                : // **************               bcs_char_traits                ************** //
<span class="lineNum">      50 </span>                : // ************************************************************************** //
<span class="lineNum">      51 </span>                : 
<span class="lineNum">      52 </span>                : template&lt;typename CharT&gt;
<span class="lineNum">      53 </span>                : struct bcs_char_traits_impl
<span class="lineNum">      54 </span>                : {
<span class="lineNum">      55 </span>                : #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
<span class="lineNum">      56 </span>                :     typedef CharT const const_char;
<span class="lineNum">      57 </span>                : #else
<span class="lineNum">      58 </span>                :     typedef typename boost::add_const&lt;CharT&gt;::type const_char;
<span class="lineNum">      59 </span>                : #endif
<span class="lineNum">      60 </span><span class="lineCov">           4334 :     static bool eq( CharT c1, CharT c2 )</span>
<span class="lineNum">      61 </span>                :     {
<span class="lineNum">      62 </span><span class="lineCov">           4334 :         return c1 == c2;</span>
<span class="lineNum">      63 </span>                :     }
<span class="lineNum">      64 </span><span class="lineCov">             36 :     static bool lt( CharT c1, CharT c2 )</span>
<span class="lineNum">      65 </span>                :     {
<span class="lineNum">      66 </span><span class="lineCov">             36 :         return c1 &lt; c2;</span>
<span class="lineNum">      67 </span>                :     }
<span class="lineNum">      68 </span>                : 
<span class="lineNum">      69 </span><span class="lineCov">            106 :     static int compare( const_char* cstr1, const_char* cstr2, std::size_t n )</span>
<span class="lineNum">      70 </span>                :     {
<span class="lineNum">      71 </span><span class="lineCov">           2266 :         while( n &gt; 0 ) {</span>
<span class="lineNum">      72 </span><span class="lineCov">           2090 :             if( !eq( *cstr1, *cstr2 ) )</span>
<span class="lineNum">      73 </span><span class="lineCov">             36 :                 return lt( *cstr1, *cstr2 ) ? -1 : 1;</span>
<span class="lineNum">      74 </span><span class="lineCov">           2054 :             ++cstr1;</span>
<span class="lineNum">      75 </span><span class="lineCov">           2054 :             ++cstr2;</span>
<span class="lineNum">      76 </span><span class="lineCov">           2054 :             --n;</span>
<span class="lineNum">      77 </span>                :         }
<span class="lineNum">      78 </span>                : 
<span class="lineNum">      79 </span><span class="lineCov">             70 :         return 0;</span>
<span class="lineNum">      80 </span>                :     }
<span class="lineNum">      81 </span>                : 
<span class="lineNum">      82 </span><span class="lineCov">            190 :     static std::size_t length( const_char* cstr )</span>
<span class="lineNum">      83 </span>                :     {
<span class="lineNum">      84 </span><span class="lineCov">            190 :         const_char null_char = CharT();</span>
<span class="lineNum">      85 </span>                : 
<span class="lineNum">      86 </span><span class="lineCov">            190 :         const_char* ptr = cstr;</span>
<span class="lineNum">      87 </span><span class="lineCov">           2434 :         while( !eq( *ptr, null_char ) )</span>
<span class="lineNum">      88 </span><span class="lineCov">           2054 :             ++ptr;</span>
<span class="lineNum">      89 </span>                : 
<span class="lineNum">      90 </span><span class="lineCov">            190 :         return ptr - cstr;</span>
<span class="lineNum">      91 </span>                :     }
<span class="lineNum">      92 </span>                : 
<span class="lineNum">      93 </span>                :     static const_char* find( const_char* s, std::size_t n, CharT c )
<span class="lineNum">      94 </span>                :     {
<span class="lineNum">      95 </span>                :         while( n &gt; 0 ) {
<span class="lineNum">      96 </span>                :             if( eq( *s, c ) )
<span class="lineNum">      97 </span>                :                 return s;
<span class="lineNum">      98 </span>                : 
<span class="lineNum">      99 </span>                :             ++s;
<span class="lineNum">     100 </span>                :             --n;
<span class="lineNum">     101 </span>                :         }
<span class="lineNum">     102 </span>                :         return 0;
<span class="lineNum">     103 </span>                :     }
<span class="lineNum">     104 </span>                : };
<span class="lineNum">     105 </span>                : 
<span class="lineNum">     106 </span>                : #ifdef BOOST_CLASSIC_IOSTREAMS
<span class="lineNum">     107 </span>                : template&lt;typename CharT&gt;
<span class="lineNum">     108 </span>                : struct char_traits_with_find : std::string_char_traits&lt;CharT&gt; {
<span class="lineNum">     109 </span>                :     static CharT const* find( CharT const* s, std::size_t n, CharT c )
<span class="lineNum">     110 </span>                :     {
<span class="lineNum">     111 </span>                :         while( n &gt; 0 ) {
<span class="lineNum">     112 </span>                :             if( eq( *s, c ) )
<span class="lineNum">     113 </span>                :                 return s;
<span class="lineNum">     114 </span>                : 
<span class="lineNum">     115 </span>                :             ++s;
<span class="lineNum">     116 </span>                :             --n;
<span class="lineNum">     117 </span>                :         }
<span class="lineNum">     118 </span>                :         return 0;
<span class="lineNum">     119 </span>                :     }
<span class="lineNum">     120 </span>                : };
<span class="lineNum">     121 </span>                : 
<span class="lineNum">     122 </span>                : template&lt;&gt; struct bcs_char_traits_impl&lt;char&gt; : char_traits_with_find&lt;char&gt; {};
<span class="lineNum">     123 </span>                : template&lt;&gt; struct bcs_char_traits_impl&lt;wchar_t&gt; : char_traits_with_find&lt;wchar_t&gt; {};
<span class="lineNum">     124 </span>                : #else
<span class="lineNum">     125 </span>                : template&lt;&gt; struct bcs_char_traits_impl&lt;char&gt; : std::char_traits&lt;char&gt; {};
<span class="lineNum">     126 </span>                : template&lt;&gt; struct bcs_char_traits_impl&lt;wchar_t&gt; : std::char_traits&lt;wchar_t&gt; {};
<span class="lineNum">     127 </span>                : #endif
<span class="lineNum">     128 </span>                : 
<span class="lineNum">     129 </span>                : template&lt;typename CharT&gt;
<span class="lineNum">     130 </span>                : class bcs_char_traits : public bcs_char_traits_impl&lt;CharT&gt; {
<span class="lineNum">     131 </span>                :     typedef typename ut_detail::bcs_base_char&lt;CharT&gt;::type                              the_base_char;
<span class="lineNum">     132 </span>                : public:
<span class="lineNum">     133 </span>                : #ifdef BOOST_CLASSIC_IOSTREAMS
<span class="lineNum">     134 </span>                :     typedef std::basic_string&lt;the_base_char, std::string_char_traits&lt;the_base_char&gt; &gt;   std_string;
<span class="lineNum">     135 </span>                : #else
<span class="lineNum">     136 </span>                :     typedef std::basic_string&lt;the_base_char, std::char_traits&lt;the_base_char&gt; &gt;          std_string;
<span class="lineNum">     137 </span>                : #endif
<span class="lineNum">     138 </span>                : };
<span class="lineNum">     139 </span>                : 
<span class="lineNum">     140 </span>                : } // namespace ut_detail
<span class="lineNum">     141 </span>                : 
<span class="lineNum">     142 </span>                : } // namespace unit_test
<span class="lineNum">     143 </span>                : 
<span class="lineNum">     144 </span>                : } // namespace boost
<span class="lineNum">     145 </span>                : 
<span class="lineNum">     146 </span>                : //____________________________________________________________________________//
<span class="lineNum">     147 </span>                : 
<span class="lineNum">     148 </span>                : #include &lt;boost/test/detail/enable_warnings.hpp&gt;
<span class="lineNum">     149 </span>                : 
<span class="lineNum">     150 </span>                : #endif // BOOST_TEST_BCS_CHAR_TRAITS_HPP_071894GER
</pre>
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